Fix contents scrollbar in guide

guide.lua

@@ -1335,6 +1335,89 @@ local pages={
 				}
 			},S("Electric Treetap"),5)
 		}
+	},
+
+	{
+		name="jetpacks",
+		title=S("Jetpacks"),
+		icon="industrialtest:jetpack_v",
+		content={
+			[[
+				<big>||Jetpacks||</big>
+				<left>
+					||Jetpacks allow to combat against the gravity after pressing the jump key. They are equipped as chest part of armor. There are two jetpack types:||
+				</left>
+				<left>
+					||<item name="industrialtest:jetpack_v" height="{{ITEM_HEIGHT}}"> <b>Jetpack</b> - regular jetpack which is powered by fuel, can be refilled in <item name="industrialtest:canning_machine" height="{{ITEM_HEIGHT}}"> <b>Canning Machine</b>.||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="Fuel capacity",
+					value=string.format("%d mB",industrialtest.Jetpack.capacity)
+				}
+			},S("Jetpack")),
+			[[
+				<mono></mono>
+				<left>
+					||<item name="industrialtest:electric_jetpack" height="{{ITEM_HEIGHT}}"> <b>Electric Jetpack</b> - jetpack powered by electricity.||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="LV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.ElectricJetpack.capacity)
+				}
+			},S("Electric Jetpack"),2)
+		}
+	},
+
+	{
+		name="miningLaser",
+		title=S("Mining Laser"),
+		icon="industrialtest:mining_laser",
+		content={
+			[[
+				<big>||Mining Laser||</big>
+				<left>
+					||Mining Laser is a tool that emits beam when used. Depending on the mode beam will cause different a result:||
+					||Mode 1 - breaks nodes at full power, direction where player looks.||
+					||Mode 2 - breaks nodes at low power, direction where player looks.||
+					||Mode 3 - breaks nodes at full power, direction only horizontal.||
+					||Mode 4 - explodes after touching node, direction where player looks.||
+				</left>
+			]],
+			createMachineInformationTable({
+				{
+					name="voltage",
+					value="HV"
+				},
+				{
+					name="powerCapacity",
+					value=string.format("%d EU",industrialtest.MiningLaser.capacity)
+				},
+				{
+					name="Power per operation (Mode 1)",
+					value="1250 EU"
+				},
+				{
+					name="Power per operation (Mode 2)",
+					value="100 EU"
+				},
+				{
+					name="Power per operation (Mode 3)",
+					value="100 EU"
+				},
+				{
+					name="Power per operation (Mode 4)",
+					value="5000 EU"
+				}
+			},S("Mining Laser"))
+		}
 	}
 }
 
@@ -1353,17 +1436,18 @@ local function preprocessHypertext(content,vars)
 end
 
 local function getGuideFormspec(playerName,pageName)
+	local PAGE_BUTTON_HEIGHT=0.7
+
 	local formspec={
 		"formspec_version[4]",
 		"size[15,10.8]",
 		"label[0.1,0.2;"..S("IndustrialTest Guide").."]",
-		--"scrollbaroptions[]",
+		string.format("scrollbaroptions[max=%f]",(#pages-10.3/PAGE_BUTTON_HEIGHT)*PAGE_BUTTON_HEIGHT*10),
 		"scrollbar[3.6,0.4;0.5,10.3;vertical;scrollbarList;0]",
-		"scroll_container[0.1,0.4;4,10.3;scrollbarList;vertical]"
+		"scroll_container[0.1,0.4;4,10.3;scrollbarList;vertical;0.1]"
 	}
 
 	-- Contents sidebar
-	local PAGE_BUTTON_HEIGHT=0.7
 	for i,page in ipairs(pages) do
 		table.insert(formspec,string.format("container[0,%f]",(i-1)*PAGE_BUTTON_HEIGHT))
 		table.insert(formspec,string.format("item_image[0,0;%f,%f;%s]",PAGE_BUTTON_HEIGHT,PAGE_BUTTON_HEIGHT,page.icon))